libavcodec/vp6data.h

   1 /**
   2  * @file vp6data.h
   3  * VP6 compatible video decoder
   4  *
   5  * Copyright (C) 2006  Aurelien Jacobs <aurel@gnuage.org>
   6  *
   7  * This file is part of FFmpeg.
   8  *
   9  * FFmpeg is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * FFmpeg is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with FFmpeg; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  22  */
  23
  24 #ifndef FFMPEG_VP6DATA_H
  25 #define FFMPEG_VP6DATA_H
  26
  27 #include "vp56data.h"
  28
  29 static const uint8_t vp6_def_fdv_vector_model[2][8] = {
  30     { 247, 210, 135, 68, 138, 220, 239, 246 },
  31     { 244, 184, 201, 44, 173, 221, 239, 253 },
  32 };
  33
  34 static const uint8_t vp6_def_pdv_vector_model[2][7] = {
  35     { 225, 146, 172, 147, 214,  39, 156 },
  36     { 204, 170, 119, 235, 140, 230, 228 },
  37 };
  38
  39 static const uint8_t vp6_def_coeff_reorder[] = {
  40      0,  0,  1,  1,  1,  2,  2,  2,
  41      2,  2,  2,  3,  3,  4,  4,  4,
  42      5,  5,  5,  5,  6,  6,  7,  7,
  43      7,  7,  7,  8,  8,  9,  9,  9,
  44      9,  9,  9, 10, 10, 11, 11, 11,
  45     11, 11, 11, 12, 12, 12, 12, 12,
  46     12, 13, 13, 13, 13, 13, 14, 14,
  47     14, 14, 15, 15, 15, 15, 15, 15,
  48 };
  49
  50 static const uint8_t vp6_def_runv_coeff_model[2][14] = {
  51     { 198, 197, 196, 146, 198, 204, 169, 142, 130, 136, 149, 149, 191, 249 },
  52     { 135, 201, 181, 154,  98, 117, 132, 126, 146, 169, 184, 240, 246, 254 },
  53 };
  54
  55 static const uint8_t vp6_sig_dct_pct[2][2] = {
  56     { 237, 246 },
  57     { 231, 243 },
  58 };
  59
  60 static const uint8_t vp6_pdv_pct[2][7] = {
  61     { 253, 253, 254, 254, 254, 254, 254 },
  62     { 245, 253, 254, 254, 254, 254, 254 },
  63 };
  64
  65 static const uint8_t vp6_fdv_pct[2][8] = {
  66     { 254, 254, 254, 254, 254, 250, 250, 252 },
  67     { 254, 254, 254, 254, 254, 251, 251, 254 },
  68 };
  69
  70 static const uint8_t vp6_dccv_pct[2][11] = {
  71     { 146, 255, 181, 207, 232, 243, 238, 251, 244, 250, 249 },
  72     { 179, 255, 214, 240, 250, 255, 244, 255, 255, 255, 255 },
  73 };
  74
  75 static const uint8_t vp6_coeff_reorder_pct[] =  {
  76     255, 132, 132, 159, 153, 151, 161, 170,
  77     164, 162, 136, 110, 103, 114, 129, 118,
  78     124, 125, 132, 136, 114, 110, 142, 135,
  79     134, 123, 143, 126, 153, 183, 166, 161,
  80     171, 180, 179, 164, 203, 218, 225, 217,
  81     215, 206, 203, 217, 229, 241, 248, 243,
  82     253, 255, 253, 255, 255, 255, 255, 255,
  83     255, 255, 255, 255, 255, 255, 255, 255,
  84 };
  85
  86 static const uint8_t vp6_runv_pct[2][14] = {
  87   { 219, 246, 238, 249, 232, 239, 249, 255, 248, 253, 239, 244, 241, 248 },
  88   { 198, 232, 251, 253, 219, 241, 253, 255, 248, 249, 244, 238, 251, 255 },
  89 };
  90
  91 static const uint8_t vp6_ract_pct[3][2][6][11] = {
  92   { { { 227, 246, 230, 247, 244, 255, 255, 255, 255, 255, 255 },
  93       { 255, 255, 209, 231, 231, 249, 249, 253, 255, 255, 255 },
  94       { 255, 255, 225, 242, 241, 251, 253, 255, 255, 255, 255 },
  95       { 255, 255, 241, 253, 252, 255, 255, 255, 255, 255, 255 },
  96       { 255, 255, 248, 255, 255, 255, 255, 255, 255, 255, 255 },
  97       { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } },
  98     { { 240, 255, 248, 255, 255, 255, 255, 255, 255, 255, 255 },
  99       { 255, 255, 240, 253, 255, 255, 255, 255, 255, 255, 255 },
 100       { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
 101       { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
 102       { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
 103       { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } } },
 104   { { { 206, 203, 227, 239, 247, 255, 253, 255, 255, 255, 255 },
 105       { 207, 199, 220, 236, 243, 252, 252, 255, 255, 255, 255 },
 106       { 212, 219, 230, 243, 244, 253, 252, 255, 255, 255, 255 },
 107       { 236, 237, 247, 252, 253, 255, 255, 255, 255, 255, 255 },
 108       { 240, 240, 248, 255, 255, 255, 255, 255, 255, 255, 255 },
 109       { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } },
 110     { { 230, 233, 249, 255, 255, 255, 255, 255, 255, 255, 255 },
 111       { 238, 238, 250, 255, 255, 255, 255, 255, 255, 255, 255 },
 112       { 248, 251, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
 113       { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
 114       { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
 115       { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } } },
 116   { { { 225, 239, 227, 231, 244, 253, 243, 255, 255, 253, 255 },
 117       { 232, 234, 224, 228, 242, 249, 242, 252, 251, 251, 255 },
 118       { 235, 249, 238, 240, 251, 255, 249, 255, 253, 253, 255 },
 119       { 249, 253, 251, 250, 255, 255, 255, 255, 255, 255, 255 },
 120       { 251, 250, 249, 255, 255, 255, 255, 255, 255, 255, 255 },
 121       { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } },
 122     { { 243, 244, 250, 250, 255, 255, 255, 255, 255, 255, 255 },
 123       { 249, 248, 250, 253, 255, 255, 255, 255, 255, 255, 255 },
 124       { 253, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
 125       { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
 126       { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 },
 127       { 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255 } } }
 128 };
 129
 130 static const int vp6_dccv_lc[3][5][2] = {
 131   { { 122, 133 }, { 0, 1 }, { 78,  171 }, { 139, 117 }, { 168, 79 } },
 132   { { 133,  51 }, { 0, 1 }, { 169,  71 }, { 214,  44 }, { 210, 38 } },
 133   { { 142, -16 }, { 0, 1 }, { 221, -30 }, { 246,  -3 }, { 203, 17 } },
 134 };
 135
 136 static const uint8_t vp6_coeff_groups[] = {
 137     0, 0, 1, 1, 1, 2, 2, 2,
 138     2, 2, 2, 3, 3, 3, 3, 3,
 139     3, 3, 3, 3, 3, 3, 4, 4,
 140     4, 4, 4, 4, 4, 4, 4, 4,
 141     4, 4, 4, 4, 4, 5, 5, 5,
 142     5, 5, 5, 5, 5, 5, 5, 5,
 143     5, 5, 5, 5, 5, 5, 5, 5,
 144     5, 5, 5, 5, 5, 5, 5, 5,
 145 };
 146
 147 static const int16_t vp6_block_copy_filter[17][8][4] = {
 148   { {   0, 128,   0,   0  },  /* 0 */
 149     {  -3, 122,   9,   0  },
 150     {  -4, 109,  24,  -1  },
 151     {  -5,  91,  45,  -3  },
 152     {  -4,  68,  68,  -4  },
 153     {  -3,  45,  91,  -5  },
 154     {  -1,  24, 109,  -4  },
 155     {   0,   9, 122,  -3  } },
 156   { {   0, 128,   0,   0  },  /* 1 */
 157     {  -4, 124,   9,  -1  },
 158     {  -5, 110,  25,  -2  },
 159     {  -6,  91,  46,  -3  },
 160     {  -5,  69,  69,  -5  },
 161     {  -3,  46,  91,  -6  },
 162     {  -2,  25, 110,  -5  },
 163     {  -1,   9, 124,  -4  } },
 164   { {   0, 128,   0,   0  },  /* 2 */
 165     {  -4, 123,  10,  -1  },
 166     {  -6, 110,  26,  -2  },
 167     {  -7,  92,  47,  -4  },
 168     {  -6,  70,  70,  -6  },
 169     {  -4,  47,  92,  -7  },
 170     {  -2,  26, 110,  -6  },
 171     {  -1,  10, 123,  -4  } },
 172   { {   0, 128,   0,   0  },  /* 3 */
 173     {  -5, 124,  10,  -1  },
 174     {  -7, 110,  27,  -2  },
 175     {  -7,  91,  48,  -4  },
 176     {  -6,  70,  70,  -6  },
 177     {  -4,  48,  92,  -8  },
 178     {  -2,  27, 110,  -7  },
 179     {  -1,  10, 124,  -5  } },
 180   { {   0, 128,   0,   0  },  /* 4 */
 181     {  -6, 124,  11,  -1  },
 182     {  -8, 111,  28,  -3  },
 183     {  -8,  92,  49,  -5  },
 184     {  -7,  71,  71,  -7  },
 185     {  -5,  49,  92,  -8  },
 186     {  -3,  28, 111,  -8  },
 187     {  -1,  11, 124,  -6  } },
 188   { {  0,  128,   0,   0  },  /* 5 */
 189     {  -6, 123,  12,  -1  },
 190     {  -9, 111,  29,  -3  },
 191     {  -9,  93,  50,  -6  },
 192     {  -8,  72,  72,  -8  },
 193     {  -6,  50,  93,  -9  },
 194     {  -3,  29, 111,  -9  },
 195     {  -1,  12, 123,  -6  } },
 196   { {   0, 128,   0,   0  },  /* 6 */
 197     {  -7, 124,  12,  -1  },
 198     { -10, 111,  30,  -3  },
 199     { -10,  93,  51,  -6  },
 200     {  -9,  73,  73,  -9  },
 201     {  -6,  51,  93, -10  },
 202     {  -3,  30, 111, -10  },
 203     {  -1,  12, 124,  -7  } },
 204   { {   0, 128,   0,   0  },  /* 7 */
 205     {  -7, 123,  13,  -1  },
 206     { -11, 112,  31,  -4  },
 207     { -11,  94,  52,  -7  },
 208     { -10,  74,  74, -10  },
 209     {  -7,  52,  94, -11  },
 210     {  -4,  31, 112, -11  },
 211     {  -1,  13, 123,  -7  } },
 212   { {   0, 128,   0,  0  },  /* 8 */
 213     {  -8, 124,  13,  -1  },
 214     { -12, 112,  32,  -4  },
 215     { -12,  94,  53,  -7  },
 216     { -10,  74,  74, -10  },
 217     {  -7,  53,  94, -12  },
 218     {  -4,  32, 112, -12  },
 219     {  -1,  13, 124,  -8  } },
 220   { {   0, 128,   0,   0  },  /* 9 */
 221     {  -9, 124,  14,  -1  },
 222     { -13, 112,  33,  -4  },
 223     { -13,  95,  54,  -8  },
 224     { -11,  75,  75, -11  },
 225     {  -8,  54,  95, -13  },
 226     {  -4,  33, 112, -13  },
 227     {  -1,  14, 124,  -9  } },
 228   { {   0, 128,   0,   0  },  /* 10 */
 229     {  -9, 123,  15,  -1  },
 230     { -14, 113,  34,  -5  },
 231     { -14,  95,  55,  -8  },
 232     { -12,  76,  76, -12  },
 233     {  -8,  55,  95, -14  },
 234     {  -5,  34, 112, -13  },
 235     {  -1,  15, 123,  -9  } },
 236   { {   0, 128,   0,   0  },  /* 11 */
 237     { -10, 124,  15,  -1  },
 238     { -14, 113,  34,  -5  },
 239     { -15,  96,  56,  -9  },
 240     { -13,  77,  77, -13  },
 241     {  -9,  56,  96, -15  },
 242     {  -5,  34, 113, -14  },
 243     {  -1,  15, 124, -10  } },
 244   { {   0, 128,   0,   0  },  /* 12 */
 245     { -10, 123,  16,  -1  },
 246     { -15, 113,  35,  -5  },
 247     { -16,  98,  56, -10  },
 248     { -14,  78,  78, -14  },
 249     { -10,  56,  98, -16  },
 250     {  -5,  35, 113, -15  },
 251     {  -1,  16, 123, -10  } },
 252   { {   0, 128,   0,   0  },  /* 13 */
 253     { -11, 124,  17,  -2  },
 254     { -16, 113,  36,  -5  },
 255     { -17,  98,  57, -10  },
 256     { -14,  78,  78, -14  },
 257     { -10,  57,  98, -17  },
 258     {  -5,  36, 113, -16  },
 259     {  -2,  17, 124, -11  } },
 260   { {   0, 128,   0,   0  },  /* 14 */
 261     { -12, 125,  17,  -2  },
 262     { -17, 114,  37,  -6  },
 263     { -18,  99,  58, -11  },
 264     { -15,  79,  79, -15  },
 265     { -11,  58,  99, -18  },
 266     {  -6,  37, 114, -17  },
 267     {  -2,  17, 125, -12  } },
 268   { {   0, 128,   0,   0  },  /* 15 */
 269     { -12, 124,  18,  -2  },
 270     { -18, 114,  38,  -6  },
 271     { -19,  99,  59, -11  },
 272     { -16,  80,  80, -16  },
 273     { -11,  59,  99, -19  },
 274     {  -6,  38, 114, -18  },
 275     {  -2,  18, 124, -12  } },
 276   { {   0, 128,   0,   0  },  /* 16 */
 277     {  -4, 118,  16,  -2  },
 278     {  -7, 106,  34,  -5  },
 279     {  -8,  90,  53,  -7  },
 280     {  -8,  72,  72,  -8  },
 281     {  -7,  53,  90,  -8  },
 282     {  -5,  34, 106,  -7  },
 283     {  -2,  16, 118,  -4  } },
 284 };
 285
 286 static const vp56_tree_t vp6_pcr_tree[] = {
 287     { 8, 0},
 288     { 4, 1},
 289     { 2, 2}, {-1}, {-2},
 290     { 2, 3}, {-3}, {-4},
 291     { 8, 4},
 292     { 4, 5},
 293     { 2, 6}, {-5}, {-6},
 294     { 2, 7}, {-7}, {-8},
 295              {-0},
 296 };
 297
 298 static const uint8_t vp6_coord_div[] = { 4, 4, 4, 4, 8, 8 };
 299
 300 static const uint8_t vp6_huff_coeff_map[] = {
 301     13, 14, 11, 0, 1, 15, 16, 18, 2, 17, 3, 4, 19, 20, 5, 6, 21, 22, 7, 8, 9, 10
 302 };
 303
 304 static const uint8_t vp6_huff_run_map[] = {
 305     10, 13, 11, 12, 0, 1, 2, 3, 14, 8, 15, 16, 4, 5, 6, 7
 306 };
 307
 308 #endif /* FFMPEG_VP6DATA_H */